@book { StarkeRitualestarkeFamilie,
    title = "Starke Rituale – starke Familie",
    author = "Susanne {Kobel} and Olivia {Wartha}",
    year = "2023",
    publisher = "humboldt",
    address = "Hannover, Deutschland",
    url = "https://schluetersche.openpublishing.com/document/1319871"
}